Patents by Inventor Tetsuro Mitsui

Tetsuro Mitsui has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8368058
    Abstract: A photoelectric conversion element includes, in the following order: a substrate; a lower electrode containing titanium nitride; an organic layer including a photoelectric conversion layer; and an upper electrode containing a transparent electrode material.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: February 5, 2013
    Assignee: Fujifilm Corporation
    Inventors: Daigo Sawaki, Tetsuro Mitsui
  • Patent number: 8338691
    Abstract: A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer; and a transparent electrically conductive thin layer. The organic photoelectric conversion layer contains: a compound represented by formula (I); and a fullerene or a fullerene derivative. In the formula, Z1 represents an atomic group necessary for forming a 5- or 6-membered ring, L1, L2 and L3 each independently represents an unsubstituted methine group or a substituted methine group, D1 represents an atomic group, and n represents an integer of 0 or more.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: December 25, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Mitsumasa Hamano, Katsuyuki Yofu
  • Publication number: 20120298846
    Abstract: A photoelectric element includes a conductive layer, an organic photoelectric layer, a blocking layer and a transparent conductive layer, the organic photoelectric layer contains a p type organic photoelectric material having a glass transition temperature of 100° C. or higher and forms an amorphous layer, and the blocking layer contains a blocking material having a glass transition temperature of 140° C. or higher.
    Type: Application
    Filed: February 8, 2011
    Publication date: November 29, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Kimiatsu Nomura, Tetsuro Mitsui
  • Patent number: 8278650
    Abstract: An organic semiconductor includes: a compound represented by formula (I): wherein A1 represents O, S or N—R15; each of R11, R12, R13, R14 and R15 independently represents a hydrogen atom or a substituent W as defined in the specification, R11 and R12 may be linked to form a ring; B1 represents a ring structure containing at least one nitrogen atom; and n1 represents an integer of 0 to 2.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: October 2, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Kimiatsu Nomura, Tetsuro Mitsui, Hideyuki Suzuki, Rui Shen
  • Patent number: 8258506
    Abstract: Provided is a photoelectric conversion device comprising an electrically conductive film, a photoelectric conversion film, and a transparent electrically conductive film, wherein said photoelectric conversion film contains a crystallized fullerene or fullerene derivative, and said crystallized fullerene or fullerene derivative is oriented in the (111) direction perpendicularly to the film surface of said electrically conductive film.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: September 4, 2012
    Assignee: Fujifilm Corporation
    Inventor: Tetsuro Mitsui
  • Patent number: 8232471
    Abstract: A squarylium dye represented by formula (1): wherein A1 and B1 each independently represents a ring structure, and R1 and R2 each independently represents a substituent having a carbon number of 1 to 12.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: July 31, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Kimiatsu Nomura, Tetsu Kitamura, Tetsuro Mitsui
  • Publication number: 20120074513
    Abstract: A photoelectric conversion element includes an insulating film, a first electrode, a light receiving layer, and a second electrode. The first electrode is formed on the insulating film and is made of titanium oxynitride. The light receiving layer is formed on the first electrode and includes an organic material. A composition of the first electrode just before forming the light receiving layer meets (1) a requirement that an amount of oxygen contained in the whole of the first electrode is 75 atm % or more of an amount of titanium, or (2) a requirement that in a range of from the substrate side of the first electrode to 10 nm or a range of from the substrate side of the first electrode to ? of the thickness of the first electrode, an amount of oxygen is 40 atm % or more of an amount of titanium.
    Type: Application
    Filed: September 26, 2011
    Publication date: March 29, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Tetsuro MITSUI, Yuki KURAMOTO
  • Publication number: 20120025179
    Abstract: A photoelectric conversion element includes: an electrically conductive thin layer; an organic photoelectric conversion layer containing a compound having a partial structure represented by formula (I) and a fullerene or a fullerene derivative; and a transparent electrically conductive thin layer: X represents O, S or N—R10, R10 represents a hydrogen atom or a substituent, Rx and Ry represent a hydrogen atom or a substituent, with at least one representing an electron-withdrawing group, Rx and Ry may combine to form a ring, R represents a bond (—), a hydrogen atom or a substituent, with at least one being the bond, nr represents an integer of 1 to 4, R's may be the same or different when nr is 2 or more, and R's at the 2- and 3-positions or R's at the 5- and 6-positions may combine with each other to form a ring.
    Type: Application
    Filed: September 1, 2011
    Publication date: February 2, 2012
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro MITSUI, Kimiatsu NOMURA, Tetsu KITAMURA
  • Patent number: 8053661
    Abstract: A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer containing a compound having a partial structure represented by the following formula (I) and a fullerene or a fullerene derivative; and a transparent electrically conductive thin layer. X represents O, S or N—R10, R10 represents a hydrogen atom or a substituent, Rx and Ry represent a hydrogen atom or a substituent, with at least one representing an electron-withdrawing group, Rx and Ry may combine to form a ring, R represents a bond (—), a hydrogen atom or a substituent, with at least one being the bond, nr represents an integer of 1 to 4, R's may be the same or different when nr is 2 or more, and R's at the 2- and 3-positions or R's at the 5- and 6-positions may combine with each other to form a ring.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: November 8, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Tetsu Kitamura
  • Publication number: 20110233701
    Abstract: A photoelectric conversion device comprising a photoelectric conversion part including a first electrode layer, a second electrode layer and a photoelectric conversion layer provided between the first electrode layer and the second electrode layer, wherein light is made incident from an upper part of the second electrode layer into the photoelectric conversion layer; the photoelectric conversion layer generates a charge containing an electron and a hole corresponding to the incident light from the upper part of the second electrode layer; and the first electrode layer works as an electrode for extracting the hole.
    Type: Application
    Filed: April 22, 2011
    Publication date: September 29, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Daisuke Yokoyama
  • Publication number: 20110204208
    Abstract: An organic photoelectric conversion device having: a first electrode; a second electrode opposing to the first electrode; and an organic material-containing photoelectric conversion layer provided between the first electrode and the second electrode, wherein an electron spin number of the photoelectric conversion layer is not more than 1.0×1015/cm3.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 25, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Tetsuro MITSUI, Takashi KOMIYAMA, Takuro SUGIYAMA
  • Publication number: 20110194000
    Abstract: A photoelectric conversion element includes a pair of electrodes, a photoelectric conversion layer, a charge blocking layer, an intermediate layer. The photoelectric conversion layer contains an organic material between the electrodes. The charge blocking layer is disposed between the photoelectric conversion layer and one of the electrodes. The intermediate layer includes an organic compound disposed between the photoelectric conversion layer and the charge blocking layer and having a glass transition temperature of 200° C. or higher.
    Type: Application
    Filed: February 8, 2011
    Publication date: August 11, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Hideyuki SUZUKI, Tetsuro MITSUI
  • Patent number: 7952156
    Abstract: A photoelectric conversion device comprising a photo-electric conversion part including a first electrode layer, a second electrode layer and a photoelectric conversion layer provided between the first electrode layer and the second electrode layer, wherein light is made incident from an upper part of the second electrode layer into the photoelectric conversion layer; the photoelectric conversion layer generates a charge containing an electron and a hole corresponding to the incident light from the upper part of the second electrode layer; and the first electrode layer works as an electrode for extracting the hole.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: May 31, 2011
    Assignee: Fujifilm Corporation
    Inventors: Tetsuro Mitsui, Daisuke Yokoyama
  • Publication number: 20110074491
    Abstract: A photoelectric conversion device comprising an electrically conductive film, an organic photoelectric conversion film, and a transparent electrically conductive film, wherein the organic photoelectric conversion film contains a compound represented by the following formula (1) and an n-type organic semiconductor: wherein each of R1 and R2 independently represents a substituted aryl group, an unsubstituted aryl group, a substituted heteroaryl group or an unsubstituted heteroaryl group, each of R3 to R11 independently represents a hydrogen atom or a substituent provided that an acidic group is excluded, m represents 0 or 1, n represents an integer of 0 or more, R1 and R2, R3 and R4, R3 and R5, R5 and R6, R6 and R8, R7 and R8, R7 and R9, or R10 and R11 may be combined each other to form a ring, and when n is an integer of 2 or more, out of a plurality of R7's and R8's, a pair of R7's, a pair of R8's, or a pair of R7 and R8 may be combined each other to form a ring.
    Type: Application
    Filed: September 28, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Katsuyuki YOFU, Kimiatsu NOMURA, Mitsumasa HAMANO, Tetsuro MITSUI
  • Publication number: 20110063485
    Abstract: A photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film and an electrically conductive film in this order, wherein the photoelectric conversion film comprises a photoelectric conversion layer, and an electron blocking layer, wherein the electron blocking layer contains a compound represented by the specific formula.
    Type: Application
    Filed: September 8, 2010
    Publication date: March 17, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Kimiatsu NOMURA, Eiji FUKUZAKI, Tetsuro MITSUI
  • Publication number: 20110056562
    Abstract: A compound represented by the following formula (I), and a photoelectric conversion device containing the compound: wherein Z1 is a ring containing two carbon atoms and represents a 5-membered ring, a 6-membered ring or a condensed ring containing at least either a 5-membered ring or a 6-membered ring, each of L1, L2 and L3 independently represents an unsubstituted methine group or a substituted methine group, n represents an integer of 0 or more, each of R1, R2, R3, R4, R5 and R6 independently represents a hydrogen atom or a substituent, R1 and R2, R2 and R3, R4 and R5, or R5 and R6 may be combined with each other to form a ring, and each of R21 and R22 independently represents a substituted aryl group, an unsubstituted aryl group, a substituted heteroaryl group or an unsubstituted heteroaryl group, provided that the case where both R21 and R22 are an unsubstituted phenyl group is excluded.
    Type: Application
    Filed: September 8, 2010
    Publication date: March 10, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Mitsumasa HAMANO, Katsuyuki YOFU, Tetsuro MITSUI, Kimiatsu NOMURA
  • Publication number: 20110049492
    Abstract: A photoelectric conversion element includes, in the following order: a substrate; a lower electrode containing titanium nitride; an organic layer including a photoelectric conversion layer; and an upper electrode containing a transparent electrode material.
    Type: Application
    Filed: August 25, 2010
    Publication date: March 3, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Daigo SAWAKI, Tetsuro MITSUI
  • Publication number: 20100308372
    Abstract: Provided is a photoelectric conversion device comprising an electrically conductive film, a photoelectric conversion film, and a transparent electrically conductive film, wherein the photoelectric conversion film contains a fullerene or a fullerene derivative and a photoelectric conversion material having an absorption spectrum satisfying at least either the following condition (A) or (B): (A): ?M1<?L1 and ?M2<?L2 (B): ?M1<?L1 and ?|?M1??L1|>?|?M2??L2| wherein ?L1, ?L2, ?M1 and ?M2 are the wavelength at an absorption intensity of ½ of the maximum absorption intensity in the wavelength range of from 400 to 800 nm, each of ?L1 and ?L2 represents the wavelength in a chloroform solution spectrum when the photoelectric conversion material is dissolved in chloroform, and each of ?M1 and ?M2 represents the wavelength in a thin-film absorption spectrum of the photoelectric conversion material alone, provided that ?L1<?L2 and ?M1<?M2.
    Type: Application
    Filed: June 4, 2010
    Publication date: December 9, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Tetsuro MITSUI, Kimiatsu NOMURA, Mitsumasa HAMANO
  • Publication number: 20100308311
    Abstract: Provided is a photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film, and an electrically conductive film, wherein the photoelectric conversion film contains a compound represented by the following formula (i): wherein each of R2 to R9 independently represents a hydrogen atom or a substituent, provided that each of at least two out of R3, R4, R7 and R8 independently represents an aryl group, a heterocyclic group or —N(Ra)(Rb), each of Ra and Rb independently represents a hydrogen atom or a substituent, and at least either Ra or Rb represents an aryl group or a heterocyclic group; and R1 represents an alkyl group, an aryl group or a heterocyclic group.
    Type: Application
    Filed: June 3, 2010
    Publication date: December 9, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Tetsuro MITSUI, Kimiatsu NOMURA, Katsuyuki YOFU
  • Publication number: 20100308312
    Abstract: Provided is a photoelectric conversion device comprising an electrically conductive film, a photoelectric conversion film, and a transparent electrically conductive film, wherein said photoelectric conversion film contains a crystallized fullerene or fullerene derivative, and said crystallized fullerene or fullerene derivative is oriented in the (111) direction perpendicularly to the film surface of said electrically conductive film.
    Type: Application
    Filed: June 4, 2010
    Publication date: December 9, 2010
    Applicant: FUJIFILM CORPORATION
    Inventor: Tetsuro Mitsui